Question

Factorise
16(a+b)^2-9(a-b)^2

Answer 1

16(a²+b²+2ab)-9(a²+b²-2ab)
16a²+16b²+32ab-9a²-9b²+18ab
7a²+7b²+50ab

Answer 2

Here is your answer mate...


Q.) 16(a+)^2 -9(a+b)^2


》 16(a+b)^2 -9 (a+b)^2

》 16(a^2 + 2ab + b^2) -9 (a^2 -2ab+b^2)

》 16a^2 + 32ab + 16b^2 - 9a^2 + 18ab -9b^2

》 7a^2 + 7a^2 + 50ab Ans.




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